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runs rough / no power 700 1992

posted by  james_a_sousa on  Thu Mar 30 11:09 CST 2017
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last visit: Thu Oct 23 18:51 CST 2014
[RELATED]

740s are known to have fuel pick-up issues when the fuel level is low.

With alcohol in the fuel, water is seldom the issue unless your fuel source is contaminated. Do not buy fuel if the station is getting a delivery as this can roil up junk from the bottom of the tanks.

On our "88 745 GLE this happened at 1/4 of a tank.

Fill your fuel up to see if the problem goes away.

Since we always kept a 1/2 tank of fuel in the car, we forgot about the problem, and about 3 years later it happened again - the fuel was low, and we never had the problem again (235K miles) because we kept the fuel up.

I have read that the problem can get worse, happening at progressively higher fuel levels over time.






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